Finding the Fourth Proportional to 368,623.04, 553,133.21 and 155,538.63
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Solution
The fourth proportional to 368,623.04, 553,133.21 and 155,538.63 is: 233,391.77
Step by Step Solution
- Step 1: Write the proportion equation
368,623.04 : 553,133.21 = 155,538.63 : x - Step 2: Convert to fraction form
368,623.04/553,133.21 = 155,538.63/x - Step 3: Cross multiply
368,623.04x = 553,133.21 × 155,538.63 - Step 4: Simplify right side
368,623.04x = 86,033,580,913.21 - Step 5: Solve for x
x = 86,033,580,913.21/368,623.04 - Step 6: Final answer
x = 233,391.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.